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    Colored illustration of mosquito pest on skin. — Stock Photo
    Colored illustration of mosquito pest on skin.
    Laboratory technician checking weight of blood bags in blood bank — Stock Photo
    Laboratory technician checking weight of blood bags in blood bank
    Mid section illustration of heart in male body silhouette. — Stock Photo
    Mid section illustration of heart in male body silhouette.
    Medical illustration of human blood vessels of abdomen. — Stock Photo
    Medical illustration of human blood vessels of abdomen.
    Light micrograph showing the abnormal alterations of liver cells and tissues. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph showing the abnormal alterations of liver cells and tissues. Haematoxylin and eosin stain.
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy with earbuds patient during video call — Stock Photo
    Concentrated young black male doctor in medical uniform and mask showing test tube with blood sample to attentive boy with earbuds patient during video call
    Lung tissue, coloured transmission electron micrograph (TEM). — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM).
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    Fat in blood cells blocking blood vessel, digital illustration. — Stock Photo
    Fat in blood cells blocking blood vessel, digital illustration.
    Closeup view of several jars of blood orange and Campari marmalade — Stock Photo
    Closeup view of several jars of blood orange and Campari marmalade
    Person donating blood — Stock Photo
    Person donating blood
    Woman checking her insulin levels before eating a cake — Stock Photo
    Woman checking her insulin levels before eating a cake
    Plasmodium malariae protozoa in blood vessel, computer illustration. — Stock Photo
    Plasmodium malariae protozoa in blood vessel, computer illustration.
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration — Stock Photo
    Plasmodium ovale protozoan inside red blood cells at the ring-form trophozoite stage, computer illustration
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    Medical equipment on metal tray. — Stock Photo
    Medical equipment on metal tray.
    Illustration of heart in human body silhouette. — Stock Photo
    Illustration of heart in human body silhouette.
    Cells attacked by virus — Stock Photo
    Cells attacked by virus
    Senior couple checking blood sugar with glucometer in living room at home — Stock Photo
    Senior couple checking blood sugar with glucometer in living room at home
    Close up of Long-Nosed Snake — Stock Photo
    Close up of Long-Nosed Snake
    Illustration of cross section of human skin with hair follicles and blood vessels. — Stock Photo
    Illustration of cross section of human skin with hair follicles and blood vessels.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Illustration of transparent blue silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart.
    Cross-section of human skin with hair follicle, digital illustration. — Stock Photo
    Cross-section of human skin with hair follicle, digital illustration.
    Laboratory technician scanning bar code of blood bags in blood bank — Stock Photo
    Laboratory technician scanning bar code of blood bags in blood bank
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Realistic human heart and blood vessels on white background, digital illustration. — Stock Photo
    Realistic human heart and blood vessels on white background, digital illustration.
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood — Stock Photo
    Top view of crop unrecognizable woman using modern pulse oximeter on finger of kid for measuring oxygen level in blood
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Tube with blood sample on metal tray in laboratory, close-up. — Stock Photo
    Tube with blood sample on metal tray in laboratory, close-up.
    Senior man checking his blood sugar with glucometer at home — Stock Photo
    Senior man checking his blood sugar with glucometer at home
    Red blood cells on black background, digital illustration. — Stock Photo
    Red blood cells on black background, digital illustration.
    Male upper body anatomy and internal organs, computer illustration. — Stock Photo
    Male upper body anatomy and internal organs, computer illustration.
    Red blood cells in bloodstream — Stock Photo
    Red blood cells in bloodstream
    Close-up of sliced red meat at butchers shop — Stock Photo
    Close-up of sliced red meat at butchers shop
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Plasmodium vivax protozoa and red blood cells, digital illustration. — Stock Photo
    Plasmodium vivax protozoa and red blood cells, digital illustration.
    Whole and half blood oranges — Stock Photo
    Whole and half blood oranges
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Representation of human anatomy — Stock Photo
    Representation of human anatomy
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration. — Stock Photo
    Astrocyte brain glial cell connecting neuronal cells to blood vessel, digital illustration.
    Espresso and chocolate granola bowl with yoghurt and blood oranges — Stock Photo
    Espresso and chocolate granola bowl with yoghurt and blood oranges
    Human heart model on blue background, computer illustration. — Stock Photo
    Human heart model on blue background, computer illustration.
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Adult parasitic tick — Stock Photo
    Adult parasitic tick
    Human brain haemorrhage, digital illustration. — Stock Photo
    Human brain haemorrhage, digital illustration.
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood — Stock Photo
    Kidney glomeruli. Coloured scanning electron micrograph (SEM) of a resin cast of glomeruli capillaries and the larger blood vessels supplying them with blood
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration. — Stock Photo
    Protozoa Plasmodium falciparum, causative agent of tropical malaria in red blood cells, digital illustration.
    Laboratory technician interacting with each other in blood bank — Stock Photo
    Laboratory technician interacting with each other in blood bank
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Illustration of human heart anatomy on white background. — Stock Photo
    Illustration of human heart anatomy on white background.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Lymphocyte white blood cells — Stock Photo
    Lymphocyte white blood cells
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home — Stock Photo
    Caring woman using pulse oximeter on finger of ill boy in oxygen mask using nebulizer during inhalation at home
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration. — Stock Photo
    Plasmodium ovale protozoan parasites and red blood cell in flow, computer illustration.